9987313

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 13063680

約数和(自身を除く): 3076367

約数列:

[1, 7, 17, 23, 41, 89, 119, 161, 287, 391, 623, 697, 943, 1513, 2047, 2737, 3649, 4879, 6601, 10591, 14329, 16031, 25543, 34799, 62033, 83927, 112217, 243593, 434231, 587489, 1426759, 9987313]

約数ペア:

[(1, 9987313), (7, 1426759), (17, 587489), (23, 434231), (41, 243593), (89, 112217), (119, 83927), (161, 62033), (287, 34799), (391, 25543), (623, 16031), (697, 14329), (943, 10591), (1513, 6601), (2047, 4879), (2737, 3649)]